b12 methylcobalamin 1000 mcg injection (Methylcobalamin) Ampules – 10 Pack our quick Cyanocobalamin (B12) Injection 1000 mcg/mL,
Description
This product is intended solely for research purposes and is not for human consumption
Before taking, speak with your doctor if you are allergic to vitamin b12, have a genetic condition called optic atrophy, have blood in your urine, polycythemia, an ongoing infection, low iron or folate levels, are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed

But some will notice side effects, minor or annoying, yet not dangerous

Kaji, T

Gently swirl/roll until dissolvedsolution should be clear (do not shake)
